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PHP - Get bool to echo false when false
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echo $bool_val ? 'true' : 'false';
Or if you only want output when it's false:
echo !$bool_val ? 'false' : '';
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Modulo operator with negative values [duplicate]
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From ISO14882:2011(e) 5.6-4:
The binary / operator yields the quotient, and the binary % operator
yields the remainder from the division of the first expression by the
second. If the second operand of / or % is zero the behavior is
undefined. For integral operands th...
What's a concise way to check that environment variables are set in a Unix shell script?
...cripts where I need to check that certain environment variables are set before I start doing stuff, so I do this sort of thing:
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What is the behavior of integer division?
For example,
6 Answers
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Count the items from a IEnumerable without iterating?
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IEnumerable doesn't support this. This is by design. IEnumerable uses lazy evaluation to get the elements you ask for just before you need them.
If you want to know the number of items without iterating over them you can use ICollection<T>, i...
Save icon: Still a floppy disk? [closed]
I'm working on a project where the user is able to save their work (most likely to the HDD but also possibly any other media, including floppy disks). Sure, the popular File > Save option is there but what about a toolbar button?
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How to do a SOAP Web Service call from Java class?
I'm relative new to the webservices world and my research seems to have confused me more than enlighten me, my problem is that I was given a library(jar) which I have to extend with some webservice functionality.
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Auto-loading lib files in Rails 4
...e the following line in an initializer to autoload code in my /lib directory during development:
4 Answers
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scp or sftp copy multiple files with single command
I'd like to copy files from/to remote server in different directories.
For example, I want to run these 4 commands at once.
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What does cmd /C mean? [closed]
... but not cmd /c . I was trying to invoke a java program from the current for which I use Runtime.getRuntime().exec("cmd /C java helloworld"); There arises my doubt.
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